The Turnbuckle, cataloged under National Stock Number 5340-01-643-0613, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Crosby Group Llc Dba the Crosby Group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-643-0613 |
| Primary Part Number | HG-226 1031617 |
| Item Name | Turnbuckle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Crosby Group Llc Dba the Crosby Group |
| Status | ACTIVE |
| Take-Up Distance | 24.000 INCHES NOMINAL IN |
| Eye Width | 1.430 INCHES NOMINAL IN |
| Length | 40.600 INCHES MINIMUM AND 64.600 INCHES MAXIMUM IN |
| Body Style | FLAT OPEN BUCKLE |
| End Style | CLOSED EYE AND CLOSED EYE |
| Nominal Thread Size | 1.000 INCHES BODY IN |
| Body Length | 27.660 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | TMF1145 TYPE1,GRADE1,CLASS D ASSEMBLY |
| Surface Treatment | ZINC OVERALL |
| Thread Quantity Per Inch | 8 BODY |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| HG-226 1031617 PRIMARY | The Crosby Group Llc Dba the Crosby Group (USA) |
| Reference | Meaning |
|---|---|
| 13618876 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 5340-01-643-0613 is a Turnbuckle, manufactured by The Crosby Group Llc Dba the Crosby Group, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-643-0613 has 1 manufacturer part number on file: HG-226 1031617 (The Crosby Group Llc Dba the Crosby Group).
Key specifications for HG-226 1031617: Take-Up Distance: 24.000 INCHES NOMINAL IN; Eye Width: 1.430 INCHES NOMINAL IN; Length: 40.600 INCHES MINIMUM AND 64.600 INCHES MAXIMUM IN; Body Style: FLAT OPEN BUCKLE. 12 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.